Paint compound.



. it to a. plastic condition, thereby permitting of the as UNITED STATES PATENT OFFICE.

JOHN C. PERRY, 0F CORTE MADERA, CALIFORNIA, ASSIGNOR OF ONE-HALF TO JAMESU. HASTINGS, OF HAYWARDS, CALIFORNIA.

PAINT comrotmn.

Specification of Letters Patent.

' Patented July 2 1907.

To all whoht'it cdncem:

Be it known that I, JOHN C. PERRY, a citizen of the i United States, residing at Corte Madera, in the county of Marin and State of California, have invented certain new and useful Improvements in Paint Oompounds, of which the following is a specification.

The object of the invention is the production of an asphaltum paint having the quality of withstanding intense heat without blistering and cracking, thereby rendering it especially valuable as a covering for the surface of boilers furnaces, and smoke-stacks, although it is equally as well adapted for the painting of iron or metallic surfaces generally irrespective as to the use to which the same is placed, likewisev as a covering for exposed wood surfaces.

The improved asphaltum paint consists of the following ingredients, combined in' approximately the proportions stated for a mixture of one hundred gallons, viz: mineral wax -2 gallons, asphaltum .27 gal- .lons, acetone 14 gallons,'distillate 57 gallons. These ingredients are thoroughly mixed by agitation in any well known form of an agitating apparatus.

The parafiin is the mineral wax employed by preference and the same is introduced in the mixture solely for the purpose of giving elasticity to the paint after it has been applied as a covering, rendering it.

less brittle when used as a coating for wood surfaces, as for instance for the painting of shingle roofs and shingled surfaces generally; The ingredient of mineral wax is not required and in fact is not incorporated in the mixture, when the same is to be applied as a paint for the covering of metallic surfaces. There fore where the paint is to be used for the coating of metallic surfaces, the same comprises asphaltum, acetone, and a suitable distillate. The acetone is employed as a solvent for the asphaltum, and by the use thereof, the asphaltum may be utilized without being subjected to the action of heat in order to reduce phaltum being used cold or in its natural condition. The distillate is employed simply for the purpose of .gredients of the mixture.

reducing the mixture to the proper consistency. Preferably apetroleum distillate .is employed, although alcohol, turpentine, or any other suitable distillate may be utilized for this purpose. The distillate has a specific gravity of forty five degrees, and a flash test of 110 F., with a burning test of 115 F. i

In carrying out the invention, the asphaltum is placed within any suitable mixing apparatus, and the acetone and the distillate added thereto, the whole then being subjected to the action of the agitator for a period of about four hours, which experience has proven By the employment of asphaltum, acetone, and a distillate is produced a paint mainly designed for the covering of metallic surfaces, but, as stated, where the paint is to be used for covering of shingled surfaces, a Y

mineral wax should be incorporated as one of the in- In such case the mineral wax is added to the previously described ingredients, prior to the same being subjected to the action of an agitating or mixing apparatus.

When the paint is applied to the surface to be cov- ,ered, the acetone on exposure to the atmosphere JOHN 1. PERRY.

Witnesses:

N. A. Acxns, Wm. B. Booms. 

